8051/boards/chan8.c

#include <nuvoton/functions.h>
#include <nuvoton/N76E003.h>
#include <nuvoton/Common.h>
#include <nuvoton/SFR_Macro.h>
#include <string.h>
#include "MySensors.h"

#define M0 P03
#define M1 P04
#define M2 P01

#define RS485_DIR P05

#define OE P13
#define DS P14
#define SHCP P11
#define STCP P12

#define MAXCMD 64

unsigned char relay;

unsigned char crc;

void rs485_in(void) {
	RS485_DIR = 0;
}

void rs485_out(void) {
	RS485_DIR = 1;
}

void load(void) {
	OE = 0;
	STCP = 0;
	SHCP = 0;

	DS = (relay & 0x01)? 1 : 0;
	SHCP = 1;
	SHCP = 0;
	DS = (relay & 0x02)? 1 : 0;
	SHCP = 1;
	SHCP = 0;
	DS = (relay & 0x04)? 1 : 0;
	SHCP = 1;
	SHCP = 0;
	DS = (relay & 0x08)? 1 : 0;
	SHCP = 1;
	SHCP = 0;
	DS = (relay & 0x10)? 1 : 0;
	SHCP = 1;
	SHCP = 0;
	DS = (relay & 0x20)? 1 : 0;
	SHCP = 1;
	SHCP = 0;
	DS = (relay & 0x40)? 1 : 0;
	SHCP = 1;
	SHCP = 0;
	DS = (relay & 0x80)? 1 : 0;

	SHCP = 1;
	STCP = 1;
}

void receive(const MyMessage* mymsg)
{
	 uint8_t sensor;

	  // We only expect one type of message from controller. But we better check anyway.
	 if (mymsg->type == V_STATUS) {
	    sensor = mymsg->sensor;
	    if (sensor == 1)
	    	relay = (relay & 0xFE) + ((mymsg->data[0]=='1')?1:0);
	    if (sensor == 2)
	    	relay = (relay & 0xFD) + ((mymsg->data[0]=='1')?2:0);
	    if (sensor == 3)
	    	relay = (relay & 0xFB) + ((mymsg->data[0]=='1')?4:0);
	    if (sensor == 4)
	    	relay = (relay & 0xF7) + ((mymsg->data[0]=='1')?8:0);
	    if (sensor == 5)
	    	relay = (relay & 0xEF) + ((mymsg->data[0]=='1')?0x10:0);
	    if (sensor == 6)
	    	relay = (relay & 0xDF) + ((mymsg->data[0]=='1')?0x20:0);
	    if (sensor == 7)
	    	relay = (relay & 0xBF) + ((mymsg->data[0]=='1')?0x40:0);
	    if (sensor == 8)
	    	relay = (relay & 0x7F) + ((mymsg->data[0]=='1')?0x80:0);
	    load();
	 }
}

void present_node(void) {
  present(NODE_SENSOR_ID, S_ARDUINO_NODE,"Nuvoton Relay Board");
  sendSketchInfo("Relay_Nuvoton", "1.1");
  present(1, S_BINARY, "Relay 1");
  present(2, S_BINARY, "Relay 2");
  present(3, S_BINARY, "Relay 3");
  present(4, S_BINARY, "Relay 4");
  present(5, S_BINARY, "Relay 5");
  present(6, S_BINARY, "Relay 6");
  present(7, S_BINARY, "Relay 7");
  present(8, S_BINARY, "Relay 8");
  registerNode();
  delay(20);
}

void uart_loop() {
	transportProcess();
}

void uart_init(UINT32 u32Baudrate) //T1M = 1, SMOD = 1
{
	P06_PushPull_Mode; 
	P07_Input_Mode;

	SCON = 0x50;  //UART0 Mode1,REN=1,TI=1
	TMOD |= 0x20; //Timer1 Mode1

	set_SMOD; //UART0 Double Rate Enable
	set_T1M;
	clr_BRCK; //Serial port 0 baud rate clock source = Timer1

#ifdef FOSC_160000
	TH1 = 256 - (1000000 / u32Baudrate + 1); /*16 MHz */
#endif
#ifdef FOSC_166000
	TH1 = 256 - (1037500 / u32Baudrate); /*16.6 MHz */
#endif
	set_TR1;
	set_TI; //For printf function must setting TI = 1
}

int main()
{
	uart_init(9600);

	RS485_DIR = 0;
	P05_PushPull_Mode;

	/* Relays */
	relay = 0;

	M0 = 1;
	M1 = 1;
	M2 = 1;

	P01_Quasi_Mode;
	P03_Quasi_Mode;
	P04_Quasi_Mode;

	P11_PushPull_Mode;
	P12_PushPull_Mode;
	P13_PushPull_Mode;
	P14_PushPull_Mode;

	load();

	OE = 0;

	transportInitialise();

	while (1)
	{
		uart_loop();
	}
}